cpu.h revision 1.38.4.2
1 1.38.4.2 scw /* $NetBSD: cpu.h,v 1.38.4.2 2001/11/17 23:18:08 scw Exp $ */ 2 1.38.4.2 scw 3 1.38.4.2 scw /* 4 1.38.4.2 scw * Copyright (c) 1988 University of Utah. 5 1.38.4.2 scw * Copyright (c) 1982, 1990 The Regents of the University of California. 6 1.38.4.2 scw * All rights reserved. 7 1.38.4.2 scw * 8 1.38.4.2 scw * This code is derived from software contributed to Berkeley by 9 1.38.4.2 scw * the Systems Programming Group of the University of Utah Computer 10 1.38.4.2 scw * Science Department. 11 1.38.4.2 scw * 12 1.38.4.2 scw * Redistribution and use in source and binary forms, with or without 13 1.38.4.2 scw * modification, are permitted provided that the following conditions 14 1.38.4.2 scw * are met: 15 1.38.4.2 scw * 1. Redistributions of source code must retain the above copyright 16 1.38.4.2 scw * notice, this list of conditions and the following disclaimer. 17 1.38.4.2 scw * 2. Redistributions in binary form must reproduce the above copyright 18 1.38.4.2 scw * notice, this list of conditions and the following disclaimer in the 19 1.38.4.2 scw * documentation and/or other materials provided with the distribution. 20 1.38.4.2 scw * 3. All advertising materials mentioning features or use of this software 21 1.38.4.2 scw * must display the following acknowledgement: 22 1.38.4.2 scw * This product includes software developed by the University of 23 1.38.4.2 scw * California, Berkeley and its contributors. 24 1.38.4.2 scw * 4. Neither the name of the University nor the names of its contributors 25 1.38.4.2 scw * may be used to endorse or promote products derived from this software 26 1.38.4.2 scw * without specific prior written permission. 27 1.38.4.2 scw * 28 1.38.4.2 scw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.38.4.2 scw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.38.4.2 scw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.38.4.2 scw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.38.4.2 scw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.38.4.2 scw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.38.4.2 scw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.38.4.2 scw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.38.4.2 scw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.38.4.2 scw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.38.4.2 scw * SUCH DAMAGE. 39 1.38.4.2 scw * 40 1.38.4.2 scw * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 41 1.38.4.2 scw * 42 1.38.4.2 scw * @(#)cpu.h 7.7 (Berkeley) 6/27/91 43 1.38.4.2 scw */ 44 1.38.4.2 scw 45 1.38.4.2 scw #ifndef _MACHINE_CPU_H_ 46 1.38.4.2 scw #define _MACHINE_CPU_H_ 47 1.38.4.2 scw 48 1.38.4.2 scw /* 49 1.38.4.2 scw * Exported definitions unique to atari/68k cpu support. 50 1.38.4.2 scw */ 51 1.38.4.2 scw 52 1.38.4.2 scw #if defined(_KERNEL_OPT) 53 1.38.4.2 scw #include "opt_lockdebug.h" 54 1.38.4.2 scw #endif 55 1.38.4.2 scw 56 1.38.4.2 scw /* 57 1.38.4.2 scw * Get common m68k CPU definitions. 58 1.38.4.2 scw */ 59 1.38.4.2 scw #include <m68k/cpu.h> 60 1.38.4.2 scw #define M68K_MMU_MOTOROLA 61 1.38.4.2 scw 62 1.38.4.2 scw #include <sys/sched.h> 63 1.38.4.2 scw struct cpu_info { 64 1.38.4.2 scw struct schedstate_percpu ci_schedstate; /* scheduler state */ 65 1.38.4.2 scw #if defined(DIAGNOSTIC) || defined(LOCKDEBUG) 66 1.38.4.2 scw u_long ci_spin_locks; /* # of spin locks held */ 67 1.38.4.2 scw u_long ci_simple_locks; /* # of simple locks held */ 68 1.38.4.2 scw #endif 69 1.38.4.2 scw }; 70 1.38.4.2 scw 71 1.38.4.2 scw #ifdef _KERNEL 72 1.38.4.2 scw extern struct cpu_info cpu_info_store; 73 1.38.4.2 scw 74 1.38.4.2 scw #define curcpu() (&cpu_info_store) 75 1.38.4.2 scw 76 1.38.4.2 scw /* 77 1.38.4.2 scw * definitions of cpu-dependent requirements 78 1.38.4.2 scw * referenced in generic code 79 1.38.4.2 scw */ 80 1.38.4.2 scw #define cpu_swapin(p) /* nothing */ 81 1.38.4.2 scw #define cpu_wait(p) /* nothing */ 82 1.38.4.2 scw #define cpu_swapout(p) /* nothing */ 83 1.38.4.2 scw #define cpu_number() 0 84 1.38.4.2 scw 85 1.38.4.2 scw /* 86 1.38.4.2 scw * Arguments to hardclock and gatherstats encapsulate the previous 87 1.38.4.2 scw * machine state in an opaque clockframe. On the hp300, we use 88 1.38.4.2 scw * what the hardware pushes on an interrupt (frame format 0). 89 1.38.4.2 scw */ 90 1.38.4.2 scw struct clockframe { 91 1.38.4.2 scw u_int cf_regs[4]; /* d0,d1,a0,a1 (see locore.s) */ 92 1.38.4.2 scw u_short cf_sr; /* sr at time of interrupt */ 93 1.38.4.2 scw u_long cf_pc; /* pc at time of interrupt */ 94 1.38.4.2 scw u_short cf_vo; /* vector offset (4-word frame) */ 95 1.38.4.2 scw } __attribute__((packed)); 96 1.38.4.2 scw 97 1.38.4.2 scw #define CLKF_USERMODE(framep) (((framep)->cf_sr & PSL_S) == 0) 98 1.38.4.2 scw #define CLKF_BASEPRI(framep) (((framep)->cf_sr & PSL_IPL) == 0) 99 1.38.4.2 scw #define CLKF_PC(framep) ((framep)->cf_pc) 100 1.38.4.2 scw #if 0 101 1.38.4.2 scw /* We would like to do it this way... */ 102 1.38.4.2 scw #define CLKF_INTR(framep) (((framep)->cf_sr & PSL_M) == 0) 103 1.38.4.2 scw #else 104 1.38.4.2 scw /* but until we start using PSL_M, we have to do this instead */ 105 1.38.4.2 scw #define CLKF_INTR(framep) (0) /* XXX */ 106 1.38.4.2 scw #endif 107 1.38.4.2 scw 108 1.38.4.2 scw 109 1.38.4.2 scw /* 110 1.38.4.2 scw * Preempt the current process if in interrupt from user mode, 111 1.38.4.2 scw * or after the current trap/syscall if in system mode. 112 1.38.4.2 scw */ 113 1.38.4.2 scw #define need_resched(ci) {want_resched = 1; setsoftast();} 114 1.38.4.2 scw 115 1.38.4.2 scw /* 116 1.38.4.2 scw * Give a profiling tick to the current process from the softclock 117 1.38.4.2 scw * interrupt. On hp300, request an ast to send us through trap(), 118 1.38.4.2 scw * marking the proc as needing a profiling tick. 119 1.38.4.2 scw */ 120 1.38.4.2 scw #define profile_tick(p, framep) ((p)->p_flag |= P_OWEUPC, setsoftast()) 121 1.38.4.2 scw #define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast()) 122 1.38.4.2 scw 123 1.38.4.2 scw /* 124 1.38.4.2 scw * Notify the current process (p) that it has a signal pending, 125 1.38.4.2 scw * process as soon as possible. 126 1.38.4.2 scw */ 127 1.38.4.2 scw #define signotify(p) setsoftast() 128 1.38.4.2 scw 129 1.38.4.2 scw #define setsoftast() (astpending = 1) 130 1.38.4.2 scw 131 1.38.4.2 scw extern int astpending; /* need trap before returning to user mode */ 132 1.38.4.2 scw extern int want_resched; /* resched() was called */ 133 1.38.4.2 scw 134 1.38.4.2 scw #endif /* _KERNEL */ 135 1.38.4.2 scw 136 1.38.4.2 scw /* include support for software interrupts */ 137 1.38.4.2 scw #include <machine/mtpr.h> 138 1.38.4.2 scw 139 1.38.4.2 scw /* 140 1.38.4.2 scw * The rest of this should probably be moved to ../atari/ataricpu.h, 141 1.38.4.2 scw * although some of it could probably be put into generic 68k headers. 142 1.38.4.2 scw */ 143 1.38.4.2 scw #define BASEPRI(sr) ((sr & PSL_IPL) == 0) 144 1.38.4.2 scw 145 1.38.4.2 scw /* 146 1.38.4.2 scw * Values for machineid. 147 1.38.4.2 scw */ 148 1.38.4.2 scw #define ATARI_68000 1 /* 68000 CPU */ 149 1.38.4.2 scw #define ATARI_68010 (1<<1) /* 68010 CPU */ 150 1.38.4.2 scw #define ATARI_68020 (1L<<2) /* 68020 CPU */ 151 1.38.4.2 scw #define ATARI_68030 (1L<<3) /* 68030 CPU */ 152 1.38.4.2 scw #define ATARI_68040 (1L<<4) /* 68040 CPU */ 153 1.38.4.2 scw #define ATARI_68060 (1L<<6) /* 68060 CPU */ 154 1.38.4.2 scw #define ATARI_TT (1L<<11) /* This is a TT030 */ 155 1.38.4.2 scw #define ATARI_FALCON (1L<<12) /* Falcon */ 156 1.38.4.2 scw #define ATARI_HADES (1L<<13) /* Hades */ 157 1.38.4.2 scw #define ATARI_MILAN (1L<<14) /* Milan */ 158 1.38.4.2 scw 159 1.38.4.2 scw #define ATARI_CLKBROKEN (1L<<16) 160 1.38.4.2 scw 161 1.38.4.2 scw #define ATARI_ANYCPU (ATARI_68000|ATARI_68010|ATARI_68020|ATARI_68030 \ 162 1.38.4.2 scw |ATARI_68040|ATARI_68060) 163 1.38.4.2 scw 164 1.38.4.2 scw #define ATARI_ANYMACH (ATARI_TT|ATARI_FALCON|ATARI_HADES|ATARI_MILAN) 165 1.38.4.2 scw 166 1.38.4.2 scw #ifdef _KERNEL 167 1.38.4.2 scw extern int machineid; 168 1.38.4.2 scw #endif 169 1.38.4.2 scw 170 1.38.4.2 scw /* 171 1.38.4.2 scw * CTL_MACHDEP definitions. 172 1.38.4.2 scw */ 173 1.38.4.2 scw #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 174 1.38.4.2 scw #define CPU_MAXID 2 /* number of valid machdep ids */ 175 1.38.4.2 scw 176 1.38.4.2 scw #define CTL_MACHDEP_NAMES { \ 177 1.38.4.2 scw { 0, 0 }, \ 178 1.38.4.2 scw { "console_device", CTLTYPE_STRUCT }, \ 179 1.38.4.2 scw } 180 1.38.4.2 scw 181 1.38.4.2 scw #ifdef _KERNEL 182 1.38.4.2 scw /* 183 1.38.4.2 scw * Prototypes from atari_init.c 184 1.38.4.2 scw */ 185 1.38.4.2 scw int cpu_dump __P((int (*)(dev_t, daddr_t, caddr_t, size_t), daddr_t *)); 186 1.38.4.2 scw int cpu_dumpsize __P((void)); 187 1.38.4.2 scw 188 1.38.4.2 scw /* 189 1.38.4.2 scw * Prototypes from autoconf.c 190 1.38.4.2 scw */ 191 1.38.4.2 scw void config_console __P((void)); 192 1.38.4.2 scw 193 1.38.4.2 scw /* 194 1.38.4.2 scw * Prototypes from clock.c 195 1.38.4.2 scw */ 196 1.38.4.2 scw long clkread __P((void)); 197 1.38.4.2 scw 198 1.38.4.2 scw /* 199 1.38.4.2 scw * Prototypes from disksubr.c 200 1.38.4.2 scw */ 201 1.38.4.2 scw struct buf; 202 1.38.4.2 scw struct disklabel; 203 1.38.4.2 scw int bounds_check_with_label __P((struct buf *, struct disklabel *, int)); 204 1.38.4.2 scw 205 1.38.4.2 scw /* 206 1.38.4.2 scw * Prototypes from fpu.c 207 1.38.4.2 scw */ 208 1.38.4.2 scw char *fpu_describe __P((int)); 209 1.38.4.2 scw int fpu_probe __P((void)); 210 1.38.4.2 scw 211 1.38.4.2 scw /* 212 1.38.4.2 scw * Prototypes from vm_machdep.c 213 1.38.4.2 scw */ 214 1.38.4.2 scw int badbaddr __P((caddr_t, int)); 215 1.38.4.2 scw void consinit __P((void)); 216 1.38.4.2 scw void dumpconf __P((void)); 217 1.38.4.2 scw paddr_t kvtop __P((caddr_t)); 218 1.38.4.2 scw void physaccess __P((caddr_t, caddr_t, int, int)); 219 1.38.4.2 scw void physunaccess __P((caddr_t, int)); 220 1.38.4.2 scw void setredzone __P((u_int *, caddr_t)); 221 1.38.4.2 scw 222 1.38.4.2 scw /* 223 1.38.4.2 scw * Prototypes from locore.s 224 1.38.4.2 scw */ 225 1.38.4.2 scw struct fpframe; 226 1.38.4.2 scw struct user; 227 1.38.4.2 scw struct pcb; 228 1.38.4.2 scw 229 1.38.4.2 scw void clearseg __P((paddr_t)); 230 1.38.4.2 scw void doboot __P((void)); 231 1.38.4.2 scw void loadustp __P((int)); 232 1.38.4.2 scw void m68881_save __P((struct fpframe *)); 233 1.38.4.2 scw void m68881_restore __P((struct fpframe *)); 234 1.38.4.2 scw void physcopyseg __P((paddr_t, paddr_t)); 235 1.38.4.2 scw u_int probeva __P((u_int, u_int)); 236 1.38.4.2 scw void proc_trampoline __P((void)); 237 1.38.4.2 scw void savectx __P((struct pcb *)); 238 1.38.4.2 scw int suline __P((caddr_t, caddr_t)); 239 1.38.4.2 scw void switch_exit __P((struct lwp *)); 240 1.38.4.2 scw void switch_lwp_exit __P((struct lwp *)); 241 1.38.4.2 scw void DCIAS __P((vaddr_t)); 242 1.38.4.2 scw void DCIA __P((void)); 243 1.38.4.2 scw void DCIS __P((void)); 244 1.38.4.2 scw void DCIU __P((void)); 245 1.38.4.2 scw void ICIA __P((void)); 246 1.38.4.2 scw void ICPA __P((void)); 247 1.38.4.2 scw void PCIA __P((void)); 248 1.38.4.2 scw void TBIA __P((void)); 249 1.38.4.2 scw void TBIS __P((vaddr_t)); 250 1.38.4.2 scw void TBIAS __P((void)); 251 1.38.4.2 scw void TBIAU __P((void)); 252 1.38.4.2 scw 253 1.38.4.2 scw #if defined(M68040) || defined(M68060) 254 1.38.4.2 scw void DCFA __P((void)); 255 1.38.4.2 scw void DCFP __P((paddr_t)); 256 1.38.4.2 scw void DCFL __P((paddr_t)); 257 1.38.4.2 scw void DCPL __P((paddr_t)); 258 1.38.4.2 scw void DCPP __P((paddr_t)); 259 1.38.4.2 scw void ICPL __P((paddr_t)); 260 1.38.4.2 scw void ICPP __P((paddr_t)); 261 1.38.4.2 scw #endif 262 1.38.4.2 scw 263 1.38.4.2 scw /* 264 1.38.4.2 scw * Prototypes from machdep.c: 265 1.38.4.2 scw */ 266 1.38.4.2 scw typedef void (*si_farg)(void *, void *); /* XXX */ 267 1.38.4.2 scw void add_sicallback __P((si_farg, void *, void *)); 268 1.38.4.2 scw void rem_sicallback __P((si_farg)); 269 1.38.4.2 scw void cpu_startup __P((void)); 270 1.38.4.2 scw void dumpsys __P((void)); 271 1.38.4.2 scw vaddr_t reserve_dumppages __P((vaddr_t)); 272 1.38.4.2 scw void softint __P((void)); 273 1.38.4.2 scw 274 1.38.4.2 scw 275 1.38.4.2 scw /* 276 1.38.4.2 scw * Prototypes from nvram.c: 277 1.38.4.2 scw */ 278 1.38.4.2 scw struct uio; 279 1.38.4.2 scw int nvram_uio __P((struct uio *)); 280 1.38.4.2 scw 281 1.38.4.2 scw /* 282 1.38.4.2 scw * Prototypes from sys_machdep.c: 283 1.38.4.2 scw */ 284 1.38.4.2 scw int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 285 1.38.4.2 scw int dma_cachectl __P((caddr_t, int)); 286 1.38.4.2 scw 287 1.38.4.2 scw /* 288 1.38.4.2 scw * Prototypes from pci_machdep.c 289 1.38.4.2 scw */ 290 1.38.4.2 scw void init_pci_bus __P((void)); 291 1.38.4.2 scw 292 1.38.4.2 scw #endif /* _KERNEL */ 293 1.38.4.2 scw #endif /* !_MACHINE_CPU_H_ */ 294
Indexes created Thu Oct 02 14:10:14 GMT 2025